U.S. Government programs are the closest things to perpetual motion machines that the first and/or the second law of thermodynamics will allow. But don't call them immortal, because sometimes they do, actually, really, and in truth, get closed down.
The U.S. Advisory Commission on Public Diplomacy is no more, a sudden victim of our vastly overextended federal budget and of a sunset provision in its last legislative authorization.
See Missing! One Advisory Commission for details.